package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.coyote.Request;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    //新增菜品
    @PostMapping()
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //==============新增代码==========
        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    //菜品分页查询
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询：{}", dishPageQueryDTO);

        PageResult pageResult = dishService.pageQuerty(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    //菜品批量删除
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除：{}", ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉 所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);//后绪步骤实现
        return Result.success(dishVO);
    }

    //修改菜品
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    //菜品起售停售
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        dishService.startOrStop(status, id);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }


    //根据分类id查询菜品
    @GetMapping("/list")
    @ApiOperation("查询关联菜品")
//    public Result select(@RequestParam("categoryId") Long id) 名字不同时可以使用注解进行调理
    public Result select(Long categoryId) {//一定要和前段穿进来的参数名称一直 ！！！！！！！！
        List<Dish> dish = dishService.select(categoryId);
        return Result.success(dish);
    }

  /*  //根据分类id查询
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result selectById(@RequestParam Long id){
        DishVO dishVO = dishService.selectById(id);
        return Result.success(dishVO);

    }*/

    /**
     * 清理缓存数据
     *
     * @param pattern
     */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
